Bruce L. Claflin

Companies

• IDEXX Laboratories, Inc.Board member Jul 24, 2015 to now¹
• CienaBoard member Mar 28, 2008 to now²
• AMDBoard member May 6, 2008 to Apr 12, 2017³

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• AMD AMD638,902 shares⁴$338.1M at $529.23Apr 10, 2017
• CCiena CIEN59,122 shares⁵$19.7M at $332.73Sep 28, 2026
• IDEXX Laboratories, Inc. IDXX1,721 shares⁶$941.7K at $547.18May 20, 2024

As of each latest filing. The line shows shares held over time.

Recent filings

• Sep 24, 2026Sold 2,857 shares at $355.91 of Ciena⁵
• Mar 26, 2026Granted 605 shares of Ciena⁷
• Sep 24, 2025Gift 4,386 shares of Ciena⁸
• Sep 24, 2025Sold 8,461 shares at $140.12 of Ciena⁸
• Mar 27, 2025Granted 3,738 shares of Ciena⁹
• Jan 6, 2025Sold 16,912 shares at $84.96 of Ciena¹⁰
• May 17, 2024Sold 200 shares at $540.80 of IDEXX Laboratories, Inc.⁶
• Mar 21, 2024Granted 4,438 shares of Ciena¹¹
• Mar 30, 2023Granted 4,331 shares of Ciena¹²
• Mar 31, 2022Granted 3,722 shares of Ciena¹³
• Nov 29, 2021Gift 1,560 shares of IDEXX Laboratories, Inc.¹⁴
• Nov 29, 2021Gift 1,560 shares of IDEXX Laboratories, Inc.¹⁴
• Nov 18, 2021Gift 11,136 shares of Ciena¹⁵
• Oct 11, 2021Exercised options 1,921 shares at $160.28 of IDEXX Laboratories, Inc.¹⁶
• Apr 10, 2017Sold 20,000 shares at $13.33 of AMD⁴
• Mar 10, 2017Sold 20,000 shares at $13.58 of AMD¹⁷
• Feb 10, 2017Sold 20,000 shares at $13.51 of AMD¹⁸
• Jan 10, 2017Sold 20,000 shares at $11.51 of AMD¹⁹
• Dec 12, 2016Sold 20,000 shares at $10.76 of AMD²⁰
• Apr 29, 2016Exercised options 144,089 shares of AMD²¹
• May 8, 2015Exercised options 92,687 shares of AMD²²
• May 16, 2014Exercised options 138,538 shares of AMD²³
• May 3, 2014Exercised options 18,083 shares of AMD²⁴
• Jan 10, 2014Exercised options 3,450 shares of AMD²⁵
• May 20, 2013Exercised options 18,754 shares of AMD²⁶